---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4548 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 743 5309 4 2177 7198 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:45:aa:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84156sec preferred_lft 84156sec inet6 fe80::f816:3eff:fe45:aaa1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4548) 04/19/26 _x86_64_ (2 CPU) 03:26:17 LINUX RESTART (2 CPU) 03:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:40:01 4.74 0.08 4.12 0.55 4.78 819.39 310.64 03:50:05 1.79 0.32 1.45 0.01 38.83 72.59 0.32 04:00:05 14.97 0.01 1.51 13.45 1.20 19.53 106783.20 Average: 7.16 0.14 2.35 4.67 15.00 302.28 35706.31 03:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 5331696 7415524 356736 4.39 84048 2164460 636972 6.94 579260 1932980 152 03:50:05 5266236 7378612 393044 4.83 84328 2192640 836344 9.11 596312 1950376 180 04:00:05 5272400 7385660 386196 4.75 84484 2193348 638268 6.95 591036 1950900 192 Average: 5290111 7393265 378659 4.66 84287 2183483 703861 7.67 588869 1944752 175 03:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 03:40:01 ens3 18.74 12.80 4.42 2.90 0.00 0.00 0.00 0.00 03:50:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:05 ens3 1.14 0.38 3.14 0.04 0.00 0.00 0.00 0.00 04:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:05 ens3 0.93 0.32 0.13 0.72 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.90 4.48 2.56 1.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4548) 04/19/26 _x86_64_ (2 CPU) 03:26:17 LINUX RESTART (2 CPU) 03:30:05 CPU %user %nice %system %iowait %steal %idle 03:40:01 all 2.16 0.00 0.43 0.06 0.05 97.29 03:40:01 0 3.56 0.00 0.52 0.08 0.04 95.80 03:40:01 1 0.76 0.00 0.34 0.05 0.07 98.78 03:50:05 all 0.49 0.00 0.18 0.02 0.07 99.25 03:50:05 0 0.52 0.00 0.13 0.02 0.04 99.29 03:50:05 1 0.45 0.00 0.23 0.01 0.10 99.21 04:00:05 all 0.39 0.00 0.24 0.03 0.07 99.27 04:00:05 0 0.47 0.00 0.19 0.02 0.04 99.29 04:00:05 1 0.31 0.00 0.29 0.05 0.10 99.26 Average: all 1.01 0.00 0.28 0.04 0.06 98.61 Average: 0 1.51 0.00 0.28 0.04 0.04 98.13 Average: 1 0.51 0.00 0.29 0.04 0.09 99.08